Circuit Breakers – Mouser Liechtenstein

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UR Circuit Breakers

Altech UR Circuit Breakers are UL 1077-recognized supplementary protectors with B-, C-, and D-trip curves. These DIN-rail-mounted modules are available in 1-, 2-, and 3-pole variants as well as an add-on neutral pole option. Altech UR Circuit Breakers feature a 17.5mm width per pole and 10kA short circuit withstand capacity. Typical applications include sensitive electronics, power supplies, and appliance circuits.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Type	Current Rating	Voltage Rating AC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated
Circuit Breakers 2C60UR, 60A, MCB, C CHAR 2C60UR Altech 1: CHF 44.88 1In Stock 1Expected 12/18/2026	Mfr. Part No. 2C60UR Mouser Part No 845-2C60UR	Altech	Circuit Breakers 2C60UR, 60A, MCB, C CHAR Learn More about Altech ur circuit breakers	Datasheet	1In Stock 1Expected 12/18/2026	CHF 44.88 CHF 30.69 CHF 28.69 CHF 26.14 View CHF 25.17 CHF 24.23 Quote	Min.: 1 Mult.: 1	UR			60 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A,MCB B CHAR 1 PL, 277VAC, UL1077 1B6UR Altech 1: CHF 20.50 1In Stock	Mfr. Part No. 1B6UR Mouser Part No 845-1B6UR	Altech	Circuit Breakers 6A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1In Stock	CHF 20.50 CHF 14.37 CHF 13.95 CHF 13.38 View CHF 13.02 CHF 12.72 Quote	Min.: 1 Mult.: 1	UR			6 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A,MCB D CHAR 1 PL, 277VAC, UL1077 1D6UR Altech 1: CHF 22.51 1In Stock	Mfr. Part No. 1D6UR Mouser Part No 845-1D6UR	Altech	Circuit Breakers 6A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1In Stock	CHF 22.51 CHF 16.36 CHF 14.80 CHF 13.50 View CHF 13.05 CHF 12.69 CHF 12.41 Quote	Min.: 1 Mult.: 1	UR			6 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A,MCB B CHAR 3PL 480Y/277VAC, UL1077 3B20UR Altech 1: CHF 58.98 2In Stock	Mfr. Part No. 3B20UR Mouser Part No 845-3B20UR	Altech	Circuit Breakers 20A,MCB B CHAR 3PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	2In Stock	CHF 58.98 CHF 43.10 CHF 42.80 CHF 39.99 View CHF 38.95 CHF 37.82 Quote	Min.: 1 Mult.: 1	UR	Circuit Breakers	B-Trip	20 A	277 VAC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A,MCB B CHAR 1 PL, 277VAC, UL1077 1B15UR Altech 1: CHF 22.51 1In Stock	Mfr. Part No. 1B15UR Mouser Part No 845-1B15UR	Altech	Circuit Breakers 15A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1In Stock	CHF 22.51 CHF 21.47 CHF 17.10 CHF 15.21 View CHF 14.32 CHF 13.89 CHF 13.39 Quote	Min.: 1 Mult.: 1	UR	Circuit Breakers	B-Trip	15 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A,MCB B CHAR 1 PL, 277VAC, UL1077 1B25UR Altech 1: CHF 20.50 3In Stock	Mfr. Part No. 1B25UR Mouser Part No 845-1B25UR	Altech	Circuit Breakers 25A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	3In Stock	CHF 20.50 CHF 14.37 CHF 13.77 CHF 13.07 View CHF 12.69 CHF 12.39	Min.: 1 Mult.: 1	UR			25 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A,MCB C CHAR 1 PL, 277VAC, UL1077 1C10UR Altech 1: CHF 20.50 1In Stock	Mfr. Part No. 1C10UR Mouser Part No 845-1C10UR	Altech	Circuit Breakers 10A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1In Stock	CHF 20.50 CHF 14.37 CHF 14.07 CHF 13.49 View CHF 13.11 CHF 12.80	Min.: 1 Mult.: 1	UR			10 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A,MCB D CHAR 1 PL, 277VAC, UL1077 1D10UR Altech 1: CHF 23.36 5In Stock	Mfr. Part No. 1D10UR Mouser Part No 845-1D10UR	Altech	Circuit Breakers 10A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	5In Stock	CHF 23.36 CHF 21.23 CHF 16.74 CHF 14.46 View CHF 13.94 CHF 13.57 CHF 13.22 Quote	Min.: 1 Mult.: 1	UR			10 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 1D20UR Altech 1: CHF 20.50 18In Stock	Mfr. Part No. 1D20UR Mouser Part No 845-1D20UR	Altech	Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	18In Stock	CHF 20.50 CHF 17.24 CHF 17.22 CHF 13.71 View CHF 13.20 CHF 12.80 CHF 12.45	Min.: 1 Mult.: 1	UR	Circuit Breakers	D-Trip	20 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 1D4UR Altech 1: CHF 22.51 6In Stock	Mfr. Part No. 1D4UR Mouser Part No 845-1D4UR	Altech	Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	6In Stock	CHF 22.51 CHF 18.67 CHF 15.21 CHF 13.82 View CHF 13.38 CHF 13.02 CHF 12.72 Quote	Min.: 1 Mult.: 1	UR			4 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 1D8UR Altech 1: CHF 22.51 2In Stock	Mfr. Part No. 1D8UR Mouser Part No 845-1D8UR	Altech	Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	2In Stock	CHF 22.51 CHF 15.60 CHF 14.06 CHF 12.68 View CHF 12.55 CHF 12.18 CHF 11.88	Min.: 1 Mult.: 1	UR			8 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077 2B1UR Altech 1: CHF 40.34 22In Stock	Mfr. Part No. 2B1UR Mouser Part No 845-2B1UR	Altech	Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	22In Stock	CHF 40.34 CHF 34.48 CHF 32.41 CHF 27.80 View CHF 27.05 CHF 26.39 Quote	Min.: 1 Mult.: 1	UR			1 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A,MCB C CHAR 2PL 480Y/277VAC, UL1077 2C16UR Altech 1: CHF 47.74 4In Stock	Mfr. Part No. 2C16UR Mouser Part No 845-2C16UR	Altech	Circuit Breakers 16A,MCB C CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	4In Stock	CHF 47.74 CHF 38.44 CHF 33.11 CHF 28.74 View CHF 28.41 CHF 27.67 Quote	Min.: 1 Mult.: 1	UR	Circuit Breakers	C-Trip	16 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 0.5A,MCB D CHAR 2PL 480Y/277VAC, UL1077 2D05UR Altech 1: CHF 40.34 1In Stock	Mfr. Part No. 2D05UR Mouser Part No 845-2D05UR	Altech	Circuit Breakers 0.5A,MCB D CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1In Stock	CHF 40.34 CHF 28.74 CHF 27.80 CHF 27.05 View CHF 26.39 Quote	Min.: 1 Mult.: 1	UR			500 mA	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A,MCB D CHAR 2PL 480Y/277VAC, UL1077 2D10UR Altech 1: CHF 42.35 7In Stock	Mfr. Part No. 2D10UR Mouser Part No 845-2D10UR	Altech	Circuit Breakers 10A,MCB D CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	7In Stock	CHF 42.35 CHF 35.52 CHF 29.48 CHF 27.42 View CHF 26.38 CHF 25.61 Quote	Min.: 1 Mult.: 1	UR	Circuit Breakers	D-Trip	10 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A,MCB D CHAR 2PL 480Y/277VAC, UL1077 2D6UR Altech 1: CHF 46.47 5In Stock	Mfr. Part No. 2D6UR Mouser Part No 845-2D6UR	Altech	Circuit Breakers 6A,MCB D CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	5In Stock	CHF 46.47 CHF 36.53 CHF 33.09 CHF 28.74 View CHF 28.48 CHF 27.83 Quote	Min.: 1 Mult.: 1	UR			6 A	277 VAC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A,MCB B CHAR 1 PL, 277VAC, UL1077 1B5UR Altech 1: CHF 14.37 5Expected 11/24/2026	Mfr. Part No. 1B5UR Mouser Part No 845-1B5UR	Altech	Circuit Breakers 5A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	5Expected 11/24/2026	CHF 14.37 CHF 13.80 CHF 13.37 CHF 13.02 Quote Quote	Min.: 1 Mult.: 1	UR			5 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1 POLE, 277VAC UL1077 1B10UR Altech 1: CHF 26.28 100Factory Stock Available	Mfr. Part No. 1B10UR Mouser Part No 845-1B10UR	Altech	Circuit Breakers 1 POLE, 277VAC UL1077 Learn More about Altech ur circuit breakers	Datasheet	100Factory Stock Available More Info Available	CHF 26.28 CHF 24.15 CHF 16.14 CHF 14.53 View CHF 13.68 CHF 13.37 CHF 13.09	Min.: 1 Mult.: 1	UR			10 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 12A,MCB B CHAR 1 PL, 277VAC, UL1077 1B12UR Altech 1: CHF 14.37 35Factory Stock Available	Mfr. Part No. 1B12UR Mouser Part No 845-1B12UR	Altech	Circuit Breakers 12A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	35Factory Stock Available More Info Available	CHF 14.37 CHF 13.77 CHF 13.07 CHF 12.69 CHF 12.39	Min.: 1 Mult.: 1	UR			12 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 13A,MCB B CHAR 1 PL, 277VAC, UL1077 1B13UR Altech 1: CHF 14.37 15Factory Stock Available	Mfr. Part No. 1B13UR Mouser Part No 845-1B13UR	Altech	Circuit Breakers 13A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	15Factory Stock Available More Info Available	CHF 14.37 CHF 13.95 CHF 13.38 CHF 13.02 View CHF 12.72 Quote	Min.: 1 Mult.: 1	UR			13 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A,MCB B CHAR 1 PL, 277VAC, UL1077 1B16UR Altech 1: CHF 14.37 1Factory Stock Available	Mfr. Part No. 1B16UR Mouser Part No 845-1B16UR	Altech	Circuit Breakers 16A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1Factory Stock Available More Info Available	CHF 14.37 CHF 13.77 CHF 13.07 CHF 12.69 CHF 12.39	Min.: 1 Mult.: 1	UR			16 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A,MCB B CHAR 1 PL, 277VAC, UL1077 1B20UR Altech 1: CHF 18.18 32Factory Stock Available	Mfr. Part No. 1B20UR Mouser Part No 845-1B20UR	Altech	Circuit Breakers 20A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	32Factory Stock Available More Info Available	CHF 18.18 CHF 16.50 CHF 15.03 CHF 13.66 View CHF 13.34 CHF 12.94 CHF 12.60 Quote	Min.: 1 Mult.: 1	UR			20 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A,MCB B CHAR 1 PL, 277VAC, UL1077 1B2UR Altech 1: CHF 18.24 40Factory Stock Available	Mfr. Part No. 1B2UR Mouser Part No 845-1B2UR	Altech	Circuit Breakers 2A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	40Factory Stock Available More Info Available	CHF 18.24 CHF 16.75 CHF 15.45 CHF 14.17 View CHF 13.67 CHF 13.33 CHF 13.05 Quote	Min.: 1 Mult.: 1	UR			2 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077 1B32UR Altech 1: CHF 14.37 37Factory Stock Available	Mfr. Part No. 1B32UR Mouser Part No 845-1B32UR	Altech	Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	37Factory Stock Available More Info Available	CHF 14.37 CHF 13.95 CHF 13.38 CHF 13.02 View CHF 12.72 Quote	Min.: 1 Mult.: 1	UR			32 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3A,MCB B CHAR 1 PL, 277VAC, UL1077 1B3UR Altech 1: CHF 23.23 92Factory Stock Available	Mfr. Part No. 1B3UR Mouser Part No 845-1B3UR	Altech	Circuit Breakers 3A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	92Factory Stock Available More Info Available	CHF 23.23 CHF 21.55 CHF 17.05 CHF 15.06 View CHF 14.30 CHF 13.95 CHF 13.67 Quote	Min.: 1 Mult.: 1	UR			3 A	277 VAC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated